The best running gadget you're not using, but should be (according to the experts)
When you purchase through links on our site, we may earn an affiliate commission.Heres how it works. They are not dissimilar to power meters used in cycling, which measure effort in terms of wattage. Brian Corcoran is an England Athletics running coach and head of events at Always Aim Higher sporting events. He is the co-founder of Race Harborough and former triathlon coach at Welland Valley Triathlon Club. What is running power?...